{"uid":"cap_klnqD_1vM7SBpOUqb_S3V","slug":"sitesignal-public-json-api-response-shape-snapshot-2c4ef13d","name":"SiteSignal Public JSON API Response Shape Snapshot","description":"Inventory bounded observed key and type paths from one unauthenticated public JSON API response, with status and SHA-256 evidence but no raw values.","url":"https://phases-prot-shine-royal.trycloudflare.com/x402/json-api-shape","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","format":"uri"},"maxDepth":{"type":"integer","default":4,"maximum":6,"minimum":1},"maxPaths":{"type":"integer","default":50,"maximum":100,"minimum":1}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9wrRdUAPQDpYB7nzsWm1A","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public JSON API endpoint and returns an inventory of its key paths and value types, with HTTP status and SHA-256 evidence, without exposing raw values.","exampleAgentPrompt":"Can you inspect the response shape of https://api.example.com/v1/products and show me all the key paths and their types, going up to 4 levels deep and capturing up to 50 paths?","exampleUseCases":[{"title":"Document unknown third-party API structure","prompt":"I need to understand the shape of this public API before integrating it — can you fetch https://api.openweathermap.org/data/2.5/weather?q=London&appid=demo and map out all the field names and their types, up to 5 levels deep?"},{"title":"Verify API response consistency across deploys","prompt":"We just deployed a new version of our service — can you grab the response shape from https://staging.myapp.com/api/v2/status and give me a SHA-256 hash so I can compare it against our previous snapshot?"},{"title":"Explore public dataset API fields","prompt":"Before I start building my dashboard, can you inspect https://data.cityofnewyork.us/resource/abc123.json and list all the available fields and data types it returns, up to 3 levels deep?"}],"resultDescription":"Returns a bounded inventory of key paths and their inferred value types found in the public JSON API response, along with the HTTP status code and a SHA-256 hash of the response body as evidence — no raw field values are included.","failureModes":["Non-public or authentication-required URL returns an auth error or empty body","URL is not a valid JSON endpoint, causing parsing failure","maxDepth or maxPaths limits truncate large or deeply nested responses","Network timeout or DNS failure for unreachable hosts","Rate limiting or blocking by the target server returns a 429 or 403","URL format validation fails if the provided URL is malformed"],"whenToPreferThis":"Choose this endpoint when you need a safe, reproducible snapshot of a public JSON API's structure — its key names and types — without storing or exposing raw values. Ideal for API documentation, integration planning, schema diffing across versions, or auditing third-party APIs. Prefer over a raw HTTP fetch when you want bounded, structured extraction with a tamper-evident hash.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:26:55.336Z","isFirstParty":false}